Electrical Characteristics at 700mA,
Junction Temperature, T
J
= 25
o
C
Temperature
coefficient
of forward
voltage
[3]
(mV/
o
C)
∆V
F
/
∆T
J
Notes:
Thermal
resistance,
junction
to board
(
o
C/W)
Rθ
J-B
1.
Color
Green
Cyan
Blue
Royal Blue
Forward Voltage
V
F
(V)
[1]
Min.
Typ.
Max.
5.43
5.43
5.43
5.43
6.84
6.84
6.84
6.84
8.31
8.31
8.31
8.31
Dynamic
resistance
[2]
(Ω) R
D
2.
1.0
1.0
1.0
1.0
-4.0
-4.0
-4.0
-4.0
11
11
11
11
3.
Lumileds maintains a tolerance of
±
0.06V on forward voltage
measurements.
Dynamic resistance is the inverse of
the slope in linear forward voltage
model for LEDs. See Figure 3.
Measured between 25
o
C
≤
TJ
≤
110
o
C at I
F
= 700mA.
Absolute Maximum Ratings
Notes:
Parameter
DC Forward Current (mA)
[1]
Peak Pulsed Forward Current (mA)
Average Forward Current (mA)
ESD Sensitivity
[2]
LED Junction Temperature (
o
C)
Aluminum-Core PCB Temperature (
o
C)
[3]
Storage & Operating Temperature (
o
C)
Green/Cyan/
Blue/Royal Blue
700
1000
700
±
16,000V HBM
135
70
-40 to +120
1.
Proper current derating must be
observed to maintain junction
temperature below the maximum.
For more information, consult
Luxeon Design Guide, available
upon request.
LEDs are not designed to be driven
in reverse bias. Please consult
Lumileds’ Application Brief AB11
for further information.
Allowable board temperature to
avoid exceeding maximum junction
temperature at maximum V
f
limit at
700 mA based on thermal
resistance of Star assembly.
2.
3.
Wavelength Characteristics, T
J
= 25
o
C
R elativ e Spec tral Pow er
D is tribution
1.0
0.8
0.6
0.4
0.2
0.0
400
450
500
550
600
650
700
ROYAL
BLUE
BLUE
BL
GREEN
Figure 1.
Relative Intensity vs. Wavelength.
CYAN
Wavelength (nm)
Luxeon V Star
4
Document #: DS30 (09/20/04)
LUMILEDS [ LUMILEDS LIGHTING COMPANY ]
